Title:
電磁成形コイルユニット、及びこれを用いた成形体の製造方法
Document Type and Number:
Japanese Patent JP6469908
Kind Code:
B2
Abstract:
Provided are a coil unit for electromagnetic forming capable of stably processing a plurality of portions in the longitudinal direction of a tubular member while preventing the contact between the tubular member and a conductor or the contact between the conductors even when the tubular member is long, and a method for producing a formed article using the coil unit. The coil unit for electromagnetic forming includes: a shaft core member made of a resin; a conductor having a wound portion, which is wound around the shaft core member, and a pair of conductor extension portions; an insulating support; and a resin coating layer formed on the outer peripheral surface of the wound portion. In the insulating support, a conductor holding portion for holding the conductor extension portions apart from each other is formed along the longitudinal direction.
Inventors:
Mihisa Imamura
Takayoshi Sugisaki
Chieko Imai
Takayoshi Sugisaki
Chieko Imai
Application Number:
JP2018021085A
Publication Date:
February 13, 2019
Filing Date:
February 08, 2018
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
B21D39/08; B21D26/14; H01F5/00; H01F5/04
Domestic Patent References:
| JP58037051B1 | ||||
| JP4001557B2 | ||||
| JP6312226A | ||||
| JP10314869A | ||||
| JP2011334B2 | ||||
| JP2137626A | ||||
| JP201342029A | ||||
| JP5756119A | ||||
| JP2006515411A |
Foreign References:
| WO2014030719A1 | ||||
| US4947667 |
Attorney, Agent or Firm:
Patent business corporation glory patent office